These "12" group OddMix Vacuum Tubes
- by and large - uses 12 Volt for filament voltage comprise a wide variety of rare, vintage, exotic, original and collector's vacuum tubes, electron tubes and thermionic valves. These tubes are differ in size and shape and purpose. They were made by a variety of companies decades ago at the "good old times". First come first serve as only a few of each of these rare historical vacuum tubes available!
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• Items listed are one of a kind, vintage, collector's choice items
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